Implement support for 'disabled' property in HTMLInputElement

src/components/script/dom/htmlinputelement.rs

@@ -3,14 +3,17 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use dom::bindings::codegen::Bindings::HTMLInputElementBinding;
-use dom::bindings::codegen::InheritTypes::HTMLInputElementDerived;
+use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
+use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, NodeCast};
+use dom::bindings::codegen::InheritTypes::{HTMLInputElementDerived, HTMLFieldSetElementDerived};
 use dom::bindings::js::{JSRef, Temporary};
 use dom::bindings::utils::{Reflectable, Reflector};
 use dom::document::Document;
-use dom::element::HTMLInputElementTypeId;
+use dom::element::{AttributeHandlers, Element, HTMLInputElementTypeId};
 use dom::eventtarget::{EventTarget, NodeTargetTypeId};
 use dom::htmlelement::HTMLElement;
-use dom::node::{Node, ElementNodeTypeId};
+use dom::node::{DisabledStateHelpers, Node, NodeHelpers, ElementNodeTypeId};
+use dom::virtualmethods::VirtualMethods;
 use servo_util::str::DOMString;
 
 #[deriving(Encodable)]
@@ -37,6 +40,84 @@ impl HTMLInputElement {
     }
 }
 
+impl<'a> HTMLInputElementMethods for JSRef<'a, HTMLInputElement> {
+    // http://www.whatwg.org/html/#dom-fe-disabled
+    fn Disabled(&self) -> bool {
+        let elem: &JSRef<Element> = ElementCast::from_ref(self);
+        elem.has_attribute("disabled")
+    }
+
+    // http://www.whatwg.org/html/#dom-fe-disabled
+    fn SetDisabled(&self, disabled: bool) {
+        let elem: &JSRef<Element> = ElementCast::from_ref(self);
+        elem.set_bool_attribute("disabled", disabled)
+    }
+}
+
+impl<'a> VirtualMethods for JSRef<'a, HTMLInputElement> {
+    fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> {
+        let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_ref(self);
+        Some(htmlelement as &VirtualMethods)
+    }
+
+    fn after_set_attr(&self, name: DOMString, value: DOMString) {
+        match self.super_type() {
+            Some(ref s) => s.after_set_attr(name.clone(), value.clone()),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        match name.as_slice() {
+            "disabled" => {
+                node.set_disabled_state(true);
+                node.set_enabled_state(false);
+            },
+            _ => ()
+        }
+    }
+
+    fn before_remove_attr(&self, name: DOMString, value: DOMString) {
+        match self.super_type() {
+            Some(ref s) => s.before_remove_attr(name.clone(), value),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        match name.as_slice() {
+            "disabled" => {
+                node.set_disabled_state(false);
+                node.set_enabled_state(true);
+                node.check_ancestors_disabled_state_for_form_control();
+            },
+            _ => ()
+        }
+    }
+
+    fn bind_to_tree(&self, tree_in_doc: bool) {
+        match self.super_type() {
+            Some(ref s) => s.bind_to_tree(tree_in_doc),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        node.check_ancestors_disabled_state_for_form_control();
+    }
+
+    fn unbind_from_tree(&self, tree_in_doc: bool) {
+        match self.super_type() {
+            Some(ref s) => s.unbind_from_tree(tree_in_doc),
+            _ => (),
+        }
+
+        let node: &JSRef<Node> = NodeCast::from_ref(self);
+        if node.ancestors().any(|ancestor| ancestor.is_htmlfieldsetelement()) {
+            node.check_ancestors_disabled_state_for_form_control();
+        } else {
+            node.check_disabled_attribute();
+        }
+    }
+}
+
 impl Reflectable for HTMLInputElement {
     fn reflector<'a>(&'a self) -> &'a Reflector {
         self.htmlelement.reflector()

src/components/script/dom/virtualmethods.rs

@@ -12,6 +12,7 @@ use dom::bindings::codegen::InheritTypes::HTMLElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLFieldSetElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLIFrameElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLImageElementCast;
+use dom::bindings::codegen::InheritTypes::HTMLInputElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLObjectElementCast;
 use dom::bindings::codegen::InheritTypes::HTMLStyleElementCast;
 use dom::bindings::js::JSRef;
@@ -24,6 +25,7 @@ use dom::element::HTMLCanvasElementTypeId;
 use dom::element::HTMLFieldSetElementTypeId;
 use dom::element::HTMLIFrameElementTypeId;
 use dom::element::HTMLImageElementTypeId;
+use dom::element::HTMLInputElementTypeId;
 use dom::element::HTMLObjectElementTypeId;
 use dom::element::HTMLStyleElementTypeId;
 use dom::event::Event;
@@ -35,6 +37,7 @@ use dom::htmlelement::HTMLElement;
 use dom::htmlfieldsetelement::HTMLFieldSetElement;
 use dom::htmliframeelement::HTMLIFrameElement;
 use dom::htmlimageelement::HTMLImageElement;
+use dom::htmlinputelement::HTMLInputElement;
 use dom::htmlobjectelement::HTMLObjectElement;
 use dom::htmlstyleelement::HTMLStyleElement;
 use dom::node::{Node, NodeHelpers, ElementNodeTypeId};
@@ -145,6 +148,10 @@ pub fn vtable_for<'a>(node: &'a JSRef<Node>) -> &'a VirtualMethods {
             let element: &JSRef<HTMLIFrameElement> = HTMLIFrameElementCast::to_ref(node).unwrap();
             element as &VirtualMethods
         }
+        ElementNodeTypeId(HTMLInputElementTypeId) => {
+            let element: &JSRef<HTMLInputElement> = HTMLInputElementCast::to_ref(node).unwrap();
+            element as &VirtualMethods
+        }
         ElementNodeTypeId(HTMLObjectElementTypeId) => {
             let element: &JSRef<HTMLObjectElement> = HTMLObjectElementCast::to_ref(node).unwrap();
             element as &VirtualMethods

src/components/script/dom/webidls/HTMLInputElement.webidl

@@ -12,7 +12,7 @@ interface HTMLInputElement : HTMLElement {
   //         attribute boolean defaultChecked;
   //         attribute boolean checked;
   //         attribute DOMString dirName;
-  //         attribute boolean disabled;
+           attribute boolean disabled;
   //readonly attribute HTMLFormElement? form;
   //readonly attribute FileList? files;
   //         attribute DOMString formAction;